1.

What should come in place of the question mark '?' in the following number series?3, -11, 17, -39, 73, ?1. -1572. -1623. -1594. -1515. -158

Answer» Correct Answer - Option 4 : -151

Calculation

The series follows following pattern

3 - 14 = -11

-11 + 28 = 17

17 - 56 = -39

-39 + 112 = 73

73 - 224 = -151

∴ The value of ? is -151


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